missing dependency on pyyaml

pyproject.toml

@@ -17,6 +17,7 @@ classifiers = [
     "License :: CeCILL-C Free Software License Agreement (CECILL-C)",
 ]
 dependencies = [
+    "pyyaml",
 ]
 dynamic = ["version"]
 

src/bronx/graphics/axes.py

@@ -19,6 +19,7 @@ def set_figax(figure=None, ax=None,
     using pyplot.subplots(), in which case any argument can be additionally
     passed through subplots_kw.
     """
+    import matplotlib.pyplot
     plt = matplotlib.pyplot
     if ax is not None and figure is None:
         figure = ax.figure
@@ -52,6 +53,7 @@ def set_nice_time_axis(axis, xy,
     :param datefmt: format for date
     :param tickslabelsrotation: angle in degrees, anti-clockwise order
     """
+    import matplotlib.pyplot
     mdates = matplotlib.dates
     plt = matplotlib.pyplot
 

src/bronx/syntax/decorators.py

@@ -105,3 +105,17 @@ def secured_getattr(self, key):
         else:
             return func(self, key)
     return secured_getattr
+
+
+@nicedeco
+def init_before(mtd):
+    """
+    Decorator for methods: call method self._actual_init()
+    before actually calling method if not self.initialized.
+    """
+    def initialized(self, *args, **kwargs):
+        if not self._initialized:
+            self._actual_init()
+        return mtd(self, *args, **kwargs)
+    return initialized
+